Home / 11,140.26-15,373.92-6,172.26

Finding the Fourth Proportional to 11,140.26, 15,373.92 and 6,172.26

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Solution

The fourth proportional to 11,140.26, 15,373.92 and 6,172.26 is: 8,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.26 : 15,373.92 = 6,172.26 : x
  2. Step 2: Convert to fraction form
    11,140.26/15,373.92 = 6,172.26/x
  3. Step 3: Cross multiply
    11,140.26x = 15,373.92 × 6,172.26
  4. Step 4: Simplify right side
    11,140.26x = 94,891,831.46
  5. Step 5: Solve for x
    x = 94,891,831.46/11,140.26
  6. Step 6: Final answer
    x = 8,517.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.